The left and right page numbers of an open book are two consecutive integers whose sum is 453 . Find these page numbers.

해법

T h e l e f t an d r i g h t p a g e n u mb ers o f an o p e n b oo k a re tw o co n sec u t i v e in t e g ers w h ose s u m i s 453 . F in d t h ese p a g e n u mb ers .

The numbers : 226, 227

솔루션 단계

Represent the numbers with

x

First number : x

Consecutive number : x + 1

A.T.Q.:

x + x + 1 = 453

x + x + 1 = 453

해결 :

x = 226

x + 1 = 226 + 1 = 227

The numbers : 226, 227